Records for Waterloo Area, Iowa (ALOthr) on 05-15
Record Highs
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1: 92°F (2001)
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2: 90°F (2012)
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3: 90°F (1944)
Record Lows
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1: 32°F (2016)
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2: 32°F (2004)
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3: 33°F (1973)
Lowest Highs
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1: 69°F (2001)
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2: 68°F (1962)
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3: 66°F (1941)
Highest Lows
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1: 45°F (1907)
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2: 49°F (2014)
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3: 50°F (1940)
Highest May temperature:
108°F on 05-31-1934.
Lowest May temperature:
22°F on 05-03-2005.
Average temperature is 61.2°F
Average high is 72.5°F
Average low is 49.8°F
Temperature data from 1895 to 2022.
Record Precipitation
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1: 1.13" (1986)
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2: 1.05" (1909)
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3: 0.66" (1899)
Precipitation data from 1895 to 2022.